Merge pull request #178 from annando/master

statistics: A module to take part to the statistics at http://pods.jasonrobinson.me/

statistics_json/statistics_json.php

@@ -0,0 +1,76 @@
+<?php
+
+/**
+ * Name: Statistics
+ * Description: Generates some statistics for http://pods.jasonrobinson.me/
+ * Version: 0.1
+ * Author: Michael Vogel <https://pirati.ca/profile/heluecht>
+ */
+
+function statistics_json_install() {
+}
+
+
+function statistics_json_uninstall() {
+}
+
+function statistics_json_module() {}
+
+function statistics_json_init() {
+	global $a;
+
+	$statistics = array(
+			"name" => $a->config["sitename"],
+			"version" => FRIENDICA_VERSION,
+			"registrations_open" => ($a->config['register_policy'] != 0),
+			);
+
+	$users = q("SELECT profile.*, `user`.`login_date`, `lastitem`.`lastitem_date`
+			FROM (SELECT MAX(`item`.`changed`) as `lastitem_date`, `item`.`uid`
+				FROM `item`
+					WHERE `item`.`type` = 'wall'
+						GROUP BY `item`.`uid`) AS `lastitem`
+						RIGHT OUTER JOIN `user` ON `user`.`uid` = `lastitem`.`uid`, `contact`, `profile`
+                                WHERE
+					`user`.`uid` = `contact`.`uid` AND `profile`.`uid` = `user`.`uid`
+					AND `profile`.`is-default` AND (`profile`.`publish` OR `profile`.`net-publish`)
+					AND `user`.`verified` AND `contact`.`self`
+					AND NOT `user`.`blocked`
+					AND NOT `user`.`account_removed`
+					AND NOT `user`.`account_expired`");
+
+	if (!is_array($users)) {
+			$statistics["total_users"] = -1;
+			$statistics["active_users_halfyear"] = -1;
+			$statistics["active_users_monthly"] = -1;
+	} else {
+			$statistics["total_users"] = count($users);
+			$statistics["active_users_halfyear"] = 0;
+			$statistics["active_users_monthly"] = 0;
+
+			$halfyear = time() - (180 * 24 * 60 * 60);
+			$month = time() - (30 * 24 * 60 * 60);
+
+			foreach ($users AS $user) {
+				if ((strtotime($user['login_date']) > $halfyear) OR
+					(strtotime($user['lastitem_date']) > $halfyear))
+					++$statistics["active_users_halfyear"];
+
+				if ((strtotime($user['login_date']) > $month) OR
+					(strtotime($user['lastitem_date']) > $month))
+					++$statistics["active_users_monthly"];
+
+			}
+	}
+
+	$posts = q("SELECT COUNT(*) AS local_posts FROM `item` WHERE `wall`");
+	if (!is_array($posts))
+		$statistics["local_posts"] = -1;
+	else
+		$statistics["local_posts"] = $posts[0]["local_posts"];
+
+	header("Content-Type: application/json");
+	echo json_encode($statistics);
+	logger("statistics_init: printed ".print_r($statistics, true));
+	killme();
+}